Cross rod assembling mould

Abstract

The utility model belongs to the technical field of cross rod assembly, and particularly relates to a cross rod assembly mould which comprises a first guide plate and a second guide plate which are fixedly arranged on the back face and the front face of a positioning table body respectively, and a third guide plate and a fourth guide plate are fixedly arranged on the two sides of the positioning table body respectively. Before the side frame is assembled, a protection plate is installed in a fixing base, a pressing rod is pressed inwards, the pressing rod drives a vertical plate, then the vertical plate drives an ejector rod, when the arc-shaped end of the ejector rod is attached to the inner wall of an arc-shaped groove, the protection plate is pressed downwards, extrusion to the pressing rod is stopped, the protection plate drives a plurality of inserting blocks, and then the inserting blocks drive the ejector rod; when one end of the ejector rod moves to the position of the positioning hole, the spring extrudes the ejector rod outwards, and one end of the ejector rod is inserted into the positioning hole, so that the insertion block is fixed, the protection plate is mounted, and the abrasion of the positioning table body can be reduced by the rubber pad at the top of the side frame and the protection plate during assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of cross-bar assembly, in particular to a cross-bar assembly jig. Background Art

[0002] The working principle of the bogie cross support is to use a cross rod structure to elastically connect the left and right side frames of the bogie on the basis of a three-piece bogie, so as to increase the anti-diameter stiffness of the bogie. The K2 and K6 bogies used on my country's railway freight cars are cast steel three-piece freight car bogies with elastic cross support devices installed on the side frames between the two side frames. An assembly jig is required when installing the cross rod on the side frame.

[0003] However, in the existing equipment, the top of the positioning platform is not provided with a protective plate, and the side frames are in contact with the upper surface of the positioning platform, which will accelerate the wear speed of the positioning platform. For this reason, a cross-rod assembly jig is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a cross-rod assembly jig.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cross-rod assembly mold includes a positioning platform body, a first guide plate and a second guide plate are fixedly provided on the back and front of the positioning platform body, a third guide plate and a fourth guide plate are fixedly provided on both sides of the positioning platform body, a plurality of limit pins are provided on the first guide plate and the second guide plate, a plurality of mounting structures are provided on the top of the positioning platform body, a same protective plate is movably provided on the top of the plurality of mounting structures, a rubber pad is provided on the top of the protective plate, and a plurality of rubber balls are provided on the top of the rubber pad.

[0006] As a further description of the above technical solution:

[0007] The mounting structure includes a connecting seat, a fixing seat is movably provided in the connecting seat, a plurality of sockets are provided on the front of the fixing seat, an arc-shaped groove is provided on the inner wall of the front of the fixing seat, a positioning hole is provided on the inner wall of the arc-shaped groove, a threaded rod is movably provided on the inner wall of the front of the connecting seat, an insert block is movably provided in the fixing seat, the top of the insert block is fixedly connected to the bottom of the protective plate, a receiving groove and an installation cavity are provided in the insert block, the receiving groove and the installation cavity are communicated, a spring is fixedly provided in the receiving groove, a top end of the spring is fixedly provided with a push rod, a vertical plate is movably provided in the installation cavity, a pressure rod is fixedly provided on one side of the vertical plate, and one end of the pressure rod passes through an inner wall of one side of the installation cavity and extends outside the installation cavity.

[0008] As a further description of the above technical solution:

[0009] Limiting grooves are arranged on the inner walls on both sides of the connecting seat, and limiting strips are fixedly arranged on both sides of the fixing seat, and the limiting grooves and the limiting strips are matched.

[0010] As a further description of the above technical solution:

[0011] A circular hole is arranged on the inner wall of the front side of the connecting seat, and a thread is arranged on the inner wall of the circular hole. The threaded rod is matched with the thread on the inner wall of the circular hole.

[0012] As a further description of the above technical solution:

[0013] Slide grooves are provided on the front inner wall and the back inner wall of the installation cavity, and sliders are fixedly provided on the front and back of the vertical plate, and the sliders are movably connected to the slide grooves.

[0014] As a further description of the above technical solution:

[0015] The end of the push rod away from the spring is in an arc shape, and the arc-shaped end of the push rod is matched with the arc groove and the positioning hole.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the cross rod assembly jig is provided with a fixing seat, an insert block, a receiving groove, an installation cavity, a vertical plate, a pressure rod and a push rod. Before assembling the side frame, the protective plate is installed in the fixing seat, and the pressure rod is pressed inward, the pressure rod drives the vertical plate, and the vertical plate drives the push rod. When one arc-shaped end of the push rod fits the inner wall of the arc-shaped groove, the protective plate is pressed downward, and the squeezing of the pressure rod is stopped. The protective plate drives multiple insert blocks, and the multiple insert blocks drive the push rod. When one end of the push rod moves to the position of the positioning hole, the spring squeezes the push rod outward, and one end of the push rod is inserted into the positioning hole to fix the insert block, thereby completing the installation of the protective plate. During assembly, the rubber pads on the side frame and the top of the protective plate can reduce the wear on the positioning platform.

[0018] 2. Compared with the prior art, the cross-rod assembly jig, by setting a connecting seat, a threaded rod, a socket and a fixed seat, can adjust the height of the fixed seat according to the height of the operator when the protective plate is installed in the fixed seat, so that the protective plate is at the optimal operating height, and the fixed seat is pulled up and down to move it in the connecting seat. When the height is appropriate, the threaded rod is rotated to insert one end of the threaded rod into the socket, thereby realizing the adjustment of the height of the fixed seat, thereby indirectly controlling the height of the protective plate. Therefore, the equipment can be suitable for people of different heights and improve the comfort of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the top plan structure of the cross-bar assembly jig proposed by the utility model;

[0020] Figure 2 It is a first-view stereoscopic structural schematic diagram of a positioning platform in a cross-bar assembly jig proposed by the utility model;

[0021] Figure 3 It is a second perspective stereoscopic structural schematic diagram of the positioning platform in the cross-bar assembly jig proposed by the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure from a first perspective after the connecting seat and the fixing seat in the cross-bar assembly jig proposed by the utility model are separated;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure from a second perspective after the connecting seat and the fixing seat in the cross-bar assembly jig proposed by the utility model are separated;

[0024] Figure 6 The utility model is a side-section stereoscopic schematic diagram of an insert block in a cross-bar assembly jig.

[0025] Legend:

[0026] 1. Positioning platform; 2. First guide plate; 3. Second guide plate; 4. Third guide plate; 5. Limit pin; 6. Fourth guide plate; 7. Mounting structure; 701. Connecting seat; 702. Fixing seat; 703. Insertion hole; 704. Arc groove; 705. Positioning hole; 706. Limiting strip; 707. Threaded rod; 708. Insert block; 709. Storage groove; 710. Mounting cavity; 711. Spring; 712. Vertical plate; 713. Press rod; 714. Push rod; 8. Protective plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figures 1 to 6 The utility model provides a cross-bar assembly jig: comprising a positioning platform 1, a first guide plate 2 and a second guide plate 3 are fixedly provided on the back and front of the positioning platform 1, a third guide plate 4 and a fourth guide plate 6 are fixedly provided on both sides of the positioning platform 1, and a plurality of limit pins 5 are provided on the first guide plate 2 and the second guide plate 3;

[0029] Reference Figure 4In order to reduce the difficulty of disassembling and assembling the protective plate 8, a plurality of mounting structures 7 are provided on the top of the positioning platform body 1. The mounting structure 7 includes a connecting seat 701, a fixed seat 702 is movably provided in the connecting seat 701, limiting grooves are provided on the inner walls on both sides of the connecting seat 701, limiting bars 706 are fixedly provided on both sides of the fixing seat 702, and the limiting grooves and limiting bars 706 are adapted to each other. A plurality of plug holes 703 are provided on the front side of the fixing seat 702, an arc groove 704 is provided on the inner wall of the front side of the fixing seat 702, and a positioning hole 705 is provided on the inner wall of the arc groove 704, a threaded rod 707 is movably provided on the inner wall of the front side of the connecting seat 701, a round hole is provided on the inner wall of the round hole, and a thread is provided on the inner wall of the round hole, and the threaded rod 707 is adapted to the thread on the inner wall of the round hole, and an insert block 708 is movably provided in the fixing seat 702, and the top of the insert block 708 and the bottom of the protective plate 8 The fixing block 708 is fixedly connected, a storage groove 709 and an installation cavity 710 are provided in the plug block 708, the storage groove 709 and the installation cavity 710 are communicated, a spring 711 is fixedly provided in the storage groove 709, one end of the spring 711 is fixedly provided with a push rod 714, the end of the push rod 714 away from the spring 711 is in an arc shape, the arc-shaped end of the push rod 714 is adapted to the arc groove 704 and the positioning hole 705, a vertical plate 712 is movably provided in the installation cavity 710, a sliding groove is provided on the front inner wall and the back inner wall of the installation cavity 710, a slider is fixedly provided on the front and back sides of the vertical plate 712, the slider and the sliding groove are movably connected, a pressure rod 713 is fixedly provided on one side of the vertical plate 712, one end of the pressure rod 713 passes through one side inner wall of the installation cavity 710 and extends to the outside of the installation cavity 710, the setting of the installation structure 7 can realize the rapid disassembly and assembly of the protective plate 8, and reduce the difficulty of subsequent replacement;

[0030] Reference Figure 3 In order to reduce the wear of the side frame on the positioning platform body 1, the tops of the multiple mounting structures 7 are movably provided with the same protective plate 8. The setting of the protective plate 8 can prevent the direct contact between the side frame and the positioning platform body 1 and reduce wear. A rubber pad is provided on the top of the protective plate 8, and a plurality of rubber balls are provided on the top of the rubber pad. The setting of the rubber pad can increase the friction between the protective plate 8 and the side frame and prevent the side frame from displacement.

[0031] Working principle: Before assembly, first install multiple connecting seats 701 on the top of the positioning platform body 1 through bolts, and then install the fixing seat 702 into the connecting seat 701, adjust the height of the fixing seat 702 according to the height of the operator, so that the protective plate 8 is at the best operating height. After the height of the fixing seat 702 is adjusted, turn the threaded rod 707 clockwise to insert one end of the threaded rod 707 into the socket 703, and then press the pressure rod 713 inward, the pressure rod 713 drives the vertical plate 712, and the vertical plate 712 drives the top rod 714. When the top rod 71 When one end of the arc-shaped part fits the inner wall of the arc-shaped groove 704, the protective plate 8 is pressed downward and the pressing rod 713 is stopped. The protective plate 8 drives the multiple plug blocks 708, and the multiple plug blocks 708 drive the push rod 714. When one end of the push rod 714 moves to the position of the positioning hole 705, the spring 711 presses the push rod 714 outward, and one end of the push rod 714 is inserted into the positioning hole 705 to fix the plug block 708, thereby completing the installation of the protective plate 8. During assembly, the rubber pads on the side frame and the top of the protective plate 8 can reduce the wear on the positioning platform body 1.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cross-bar assembly jig, comprising a positioning platform (1), characterized in that: A first guide plate (2) and a second guide plate (3) are fixedly provided on the back and front of the positioning platform (1); a third guide plate (4) and a fourth guide plate (6) are fixedly provided on both sides of the positioning platform (1); a plurality of limit pins (5) are provided on the first guide plate (2) and the second guide plate (3); a plurality of mounting structures (7) are provided on the top of the positioning platform (1); a same protective plate (8) is movably provided on the tops of the plurality of mounting structures (7); a rubber pad is provided on the top of the protective plate (8); and a plurality of rubber balls are provided on the top of the rubber pad.

2. The cross-bar assembly jig according to claim 1, characterized in that: The mounting structure (7) comprises a connecting seat (701), a fixing seat (702) is movably provided in the connecting seat (701), a plurality of plug holes (703) are provided on the front of the fixing seat (702), an arc-shaped groove (704) is provided on the inner wall of the front of the fixing seat (702), a positioning hole (705) is provided on the inner wall of the arc-shaped groove (704), a threaded rod (707) is movably provided on the inner wall of the front of the connecting seat (701), an insert block (708) is movably provided in the fixing seat (702), the top of the insert block (708) and the bottom of the protective plate (8) are connected to each other. The insert block (708) is fixedly connected, a receiving groove (709) and an installation cavity (710) are provided in the insert block (708), the receiving groove (709) and the installation cavity (710) are communicated with each other, a spring (711) is fixedly provided in the receiving groove (709), one end of the spring (711) is fixedly provided with a push rod (714), a vertical plate (712) is movably provided in the installation cavity (710), a pressure rod (713) is fixedly provided on one side of the vertical plate (712), and one end of the pressure rod (713) passes through an inner wall of one side of the installation cavity (710) and extends to the outside of the installation cavity (710).

3. The cross-bar assembly jig according to claim 2, characterized in that: Limiting grooves are provided on the inner walls on both sides of the connecting seat (701), and limiting strips (706) are fixedly provided on both sides of the fixing seat (702), and the limiting grooves and limiting strips (706) are matched with each other.

4. The cross-bar assembly jig according to claim 2, characterized in that: A circular hole is provided on the front inner wall of the connecting seat (701), and a thread is provided on the inner wall of the circular hole. The threaded rod (707) is adapted to the thread on the inner wall of the circular hole.

5. The cross-bar assembly jig according to claim 2, characterized in that: Slide grooves are provided on the front inner wall and the back inner wall of the installation cavity (710), and sliders are fixedly provided on the front and back of the vertical plate (712), and the sliders are movably connected to the slide grooves.

6. The cross-bar assembly jig according to claim 2, characterized in that: One end of the push rod (714) away from the spring (711) is in an arc shape, and the arc-shaped end of the push rod (714) is compatible with the arc groove (704) and the positioning hole (705).

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